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6. What happens when the nucleus splits?

  • It creates two smaller nuclei roughly equal in size called the daughter nuclei
  • It creates three nuclei called son nuclei
  • It explodes
  • It's electrons start vibrating rapidly

7. What's the relative charge of an alpha particle?

  • +2
  • +4
  • 4,2
  • -3

8. What is potential difference?

  • A measure of the difference in electrical potential energy between two points in a circuit
  • The difference in voltages between two resistors in a circuit
  • The difference of potential

9. Who discovered the neutron?

  • James Chadwick
  • Rutherford
  • Me
  • Thomson

10. What is density?

  • How closely packed particles are in a solid, liquid or gas
  • The tightness of an atom
  • How close atoms stay to each other
  • The speed of particles bouncing

11. How is the rate of gas pressure measured?

  • The smell of the gas
  • How quickly gas fills up the container and the amount of particles filling up the container
  • The frequency of gas particles hitting their containers walls and the speed they do it at
  • How quickly each gas particle collides into another

12. What is the plum pudding model's description?

  • A sphere of positive charge
  • A ball of neutral charge
  • A circle with electrons everywhere
  • A ball of protons

13. What is released during a fission reaction

  • Gamma radiation
  • Alpha radiation
  • Beta radiation
  • Light

14. What is a chain reaction?

  • 2 or 3 neutrons exploding out of a fission reaction and colliding with other uranium nuclei to cause further reactions
  • Chains
  • 2 or 3 neutrons exploding out of a fission reaction and colliding with other hydrogen nuclei to cause further reactions

15. How is a gas' particles described?

  • particles tightly packed
  • particles spread out moving randomly
  • particles flowing side-to-side
  • particles bouncing in the air

16. What else is released during a fission reaction?

  • Kinetic energy
  • Sound waves
  • electricity
  • all of the above

17. How is a solid's particles described?

  • particles packed tightly in a regular structure
  • huh
  • particles moving freely
  • particles tightly packed but free to move past each other

18. How is a liquid's particles described?

  • particles tightly packed but free to move past each other
  • particles packed tightly in a regular structure
  • particles that can slide past each other
  • particles bouncing up and down

19. What is the formula for density?

  • Volume = Mass x Speed
  • Density = Mass x Volume
  • Density = Mass/Volume
  • Density = Volume/Time